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108 lines
3.2 KiB
C++
108 lines
3.2 KiB
C++
// Created on: 1994-12-09
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// Created by: Jacques GOUSSARD
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// Copyright (c) 1994-1999 Matra Datavision
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// Copyright (c) 1999-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#include <BRepBuilderAPI_Transform.ixx>
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#include <BRepTools_TrsfModification.hxx>
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#include <gp.hxx>
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//=======================================================================
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//function : BRepBuilderAPI_Transform
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//purpose :
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//=======================================================================
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BRepBuilderAPI_Transform::BRepBuilderAPI_Transform (const gp_Trsf& T) :
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myTrsf(T)
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{
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myModification = new BRepTools_TrsfModification(T);
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}
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//=======================================================================
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//function : BRepBuilderAPI_Transform
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//purpose :
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//=======================================================================
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BRepBuilderAPI_Transform::BRepBuilderAPI_Transform (const TopoDS_Shape& S,
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const gp_Trsf& T,
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const Standard_Boolean Copy) :
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myTrsf(T)
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{
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myModification = new BRepTools_TrsfModification(T);
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Perform(S,Copy);
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}
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//=======================================================================
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//function : Perform
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//purpose :
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//=======================================================================
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void BRepBuilderAPI_Transform::Perform(const TopoDS_Shape& S,
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const Standard_Boolean Copy)
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{
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// myUseModif = Copy || myTrsf.IsNegative(); bug gp_Trsf.
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myUseModif = Copy ||
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myTrsf.ScaleFactor()*myTrsf.HVectorialPart().Determinant() < 0. ||
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Abs(Abs(myTrsf.ScaleFactor()) - 1) > gp::Resolution();
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if (myUseModif) {
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Handle(BRepTools_TrsfModification) theModif =
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Handle(BRepTools_TrsfModification)::DownCast(myModification);
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theModif->Trsf() = myTrsf;
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DoModif(S,myModification);
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}
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else {
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myLocation = myTrsf;
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myShape = S.Moved(myLocation);
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Done();
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}
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}
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//=======================================================================
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//function : ModifiedShape
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//purpose :
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//=======================================================================
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TopoDS_Shape BRepBuilderAPI_Transform::ModifiedShape
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(const TopoDS_Shape& S) const
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{
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if (myUseModif) {
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return myModifier.ModifiedShape(S);
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}
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return S.Moved (myLocation);
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}
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//=======================================================================
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//function : Modified
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//purpose :
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//=======================================================================
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const TopTools_ListOfShape& BRepBuilderAPI_Transform::Modified
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(const TopoDS_Shape& F)
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{
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if (!myUseModif) {
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myGenerated.Clear();
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myGenerated.Append(F.Moved(myLocation));
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return myGenerated;
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}
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return BRepBuilderAPI_ModifyShape::Modified(F);
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}
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